import cv2
import numpy as np
image=cv2.imread("cup.jpg")
cv2.imshow("Input",image)
mask=np.ones(image.shape,dtype=np.uint8)*100
result1=image+mask
result2=cv2.add(image,mask)
cv2.imshow("Symbol",result1)
cv2.imshow("Function",result2)
cv2.waitKey()
cv2.destroyAllWindows()